The perimeter of an equilateral triangle is 18 cm, in an isosceles triangle, two sides are the same as in an equilateral

| August 10, 2021 | education

The perimeter of an equilateral triangle is 18 cm, in an isosceles triangle, two sides are the same as in an equilateral triangle, and the third is 2 cm shorter. what is the length of the third side of an isosceles triangle?

a triangle is a geometric figure consisting of three points that do not lie on one straight line and three segments connecting these points. An equilateral triangle has all sides equal. An isosceles triangle has two sides. The perimeter of a triangle is equal to the sum of its three sides.

1) What is the size of one side of an equilateral triangle?

18/3 = 6 centimeters.

Let’s answer the question of the problem.

2) What is the size of the third side of an isosceles triangle?

6 – 2 = 4 centimeters.

Answer: The third side is 4 centimeters.



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